/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineFriendsInterface.h
virtual [FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) AddOnQueryBlockedPlayersCompleteDelegate_Handle ( const [FOnQueryBlockedPlayersCompleteDelegate](API\Plugins\OnlineSubsystem\Interfaces\FOnQueryBlockedPlayersCompleteDe-) & Delegate )